Exam 1: Real Numbers

Solve the problem. -Health care issues are receiving much attention in both academic and political arenas. A sociologist recently conducted a survey of senior citizens whose net worth is too high to qualify for Medicaid but who have no Private health insurance. The ages of 25 uninsured senior citizens were as follows: Find the median of the observations.

Add or subtract. Simplify the answer. -

Write the opposite of the number. -

Find the quotient. -42 /(-6)

Add. --1898 + (-4089)

Solve. Simplify the answer. -Brian was training to run a marathon. During the three-day period before the race he decided that he would train for a total of 10 hours. If he trained for 1 hours on the first day and hours on the second day, how Many hours would he need to train on the third day?

Indicate whether the statement is true or false. -69 is an integer.

Insert either <, >, or = to make a true statement. -

Indicate whether the quotient is 0 or undefined. -

Indicate whether the given process is associative. For a process to be associative, the final outcome must be the same when the first two actions are performed first or when the last two actions are performed first. -Washing the dishes, drying the dishes, putting the dishes away.

For the given expression, determine the indicated inverse. -3 multiplicative inverse

Find the product. Simplify the answer. - Write your answer as a mixed number.

Determine whether the product will be positive, negative, zero, or whether there is not enough information to say. -The product of two positive numbers and one negative number.

Determine whether the product will be positive, negative, zero, or whether there is not enough information to say. -The product of two numbers with opposite signs.

The name of a property is given followed by part of an equation. Complete the equation to the right of the equal sign to illustrate the given property. --13 · x = commutative property of multiplication

Indicate whether the given process is associative. For a process to be associative, the final outcome must be the same when the first two actions are performed first or when the last two actions are performed first. -Turning on the TV, changing the channel, watching TV.

Evaluate. -0 - (-6)

Evaluate. -Subtract -19 from -19

Find the quotient. Simplify the answer. -

Add. -